4-(Chloromethyl)-1-isopropyl-3-methyl-1H-pyrazole hydrochloride CAS 2126160-24-3
| CAS No. | 2126160-24-3 |
| Molecular Formula | C8H13ClN2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
4-(Chloromethyl)-1-isopropyl-3-methyl-1H-pyrazole hydrochloride (CAS 2126160-24-3), molecular formula C8H13ClN2HCl and molecular weight 209.11 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, chlorine substitution, 4-(Chloromethyl)-1-isopropyl-3-methyl-1H-pyrazole hydrochloride is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 209.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-(Chloromethyl)-1-isopropyl-3-methyl-1H-pyrazole hydrochloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H13ClN2 HCl |
| Molecular Weight | 209.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloromethyl Standards
- 7-(Chloromethyl)-3-methyl-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-81-4)
- 7-(Chloromethyl)-2,3-dimethyl-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-82-5)
- 7-(Chloromethyl)-3-(4-chlorophenyl)-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-85-8)
- chloromethyl 2-ethoxy-2-methylpropanoate (CAS 1000296-74-1)
- 5-(chloromethyl)-N-(4-methylbenzyl)-1,3,4-thiadiazole-2-carboxamide (CAS 1000932-24-0)
- 5-(Chloromethyl)-7-ethoxy-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1000932-47-7)
- 5-(chloromethyl)-N-(4-fluorobenzyl)-1,3,4-thiadiazole-2-carboxamide (CAS 1000932-60-4)
- 2-(Chloromethyl)-5,6-diphenylfuro[2,3-d]pyrimidin-4-amine (CAS 1000933-67-4)
Recommended Standards
- 3-Methylcyclopropane-1,2-dicarbohydrazide (CAS 649550-13-0)
- 1-Benzoylpyrrolidine-2-carboxylic acid (CAS 195719-48-3)
- N-(3-Iodo-4-methylphenyl)thiophene-3-amide (CAS 623907-55-1)
- (3-Bromo-2-fluoro-5-(trifluoromethyl)phenyl)methanamine (CAS 871325-57-4)
- Sufugolix (CAS 308831-61-0)
- 1-(3-BROMOPHENYL)-4-METHYLPIPERAZINE (CAS 747413-17-8)
- CAS 2049025-59-2 (CAS 2049025-59-2)
- Ethyl (1R,5S)-9-oxo-3-oxabicyclo[3.3.1]Nonane-7-carboxylate (CAS 914618-77-2)
- 4-(4-(Trifluoromethyl)phenyl)but-3-en-2-one (CAS 80992-93-4)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
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